.top-image {
    background: url(../images/aftersale/topimg.png) center no-repeat;
    font-size: 0px;
    line-height: 0px;
    overflow: hidden;
    height: 200px;
    background-size: cover;
}

.step1-content {
    width: 1200px;
    display: flex;
    margin: 0 auto;
    padding: 60px 0;
}

.step1-content .description {
    padding-left: 46px;
}

.step1-content .description h4 {
    color: #333;
    font-size: 20px;
    font-weight: bold;
    padding: 28px 0;
}

.step1-content .description p {
    color: #999;
    font-size: 16px;
    line-height: 22px;
    width: 705px;
}

/* step2 */

.step2-content {
    width: 1200px;
    margin: 0 auto;
}

.step2-content h1 {
    color: black;
    font-size: 24px;
    font-weight: bold;
    line-height: 120px;
}

.step2-content .all-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-bottom: 50px;
}

.step2-content .item {
    width: 24.8%;
    height: 120px;
    background: #607ed8;
    margin-bottom: 12px;
}

.step2-content .item * {
    color: white;
    margin-left: 18px;
    margin-right: 40px;
}

.step2-content .item span {
    font-size: 20px;
    font-weight: bold;
    line-height: 24px;
    display: block;
    height: 48px;
    margin-top: 22px;
}

.step2-content .item p {
    font-size: 12px;
    margin-top: 12px;
}

/* step3 */

.step3-content {
    width: 1200px;
    display: flex;
    margin: 0 auto;
    padding: 60px 0;
    justify-content: space-between;
}

.step3-content img {
    padding-right: 40px;
}

.step3-content .description {
    padding-left: 40px;
}

.step3-content .description h4 {
    color: #333;
    font-size: 24px;
    font-weight: bold;
    padding: 28px 0;
}

.step3-content .description p {
    color: #666;
    font-size: 16px;
    line-height: 24px;
    width: 705px;
    margin-bottom: 20px;
}

/* step4 */

.step4-content {
    width: 1200px;
    margin: 0 auto;
    padding-bottom: 46px;
}

.step4-content h1 {
    color: black;
    font-size: 24px;
    font-weight: bold;
    line-height: 80px;
    padding-left: 40px;
}

.step4-content .row {
    border: 1px solid #9da9d2;
    border-radius: 30px;
    display: flex;
    justify-content: space-between;
    height: 60px;
    margin-bottom: 35px;
}

.step4-content .item {
    width: 480px;
    padding-left: 60px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.step4-content i {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-right: 18px;
    vertical-align: sub;
}

.step4-content .item .shfw {
    background: url(../images/aftersale/after_icon.png) 0 0 no-repeat;
}

.step4-content .item .xsrx {
    background: url(../images/aftersale/after_icon.png) 0 -32px no-repeat;
    margin-left: 10px;
    margin-right: 8px;
}

.step4-content .item .kfyj {
    background: url(../images/aftersale/after_icon.png) -40px -36px no-repeat;
}

.step4-content .item span {
    font-size: 22px;
    color: #333;
    display: inline-block;
    line-height: 60px;
}

.step4-content .item .green {
    font-weight: bold;
    color: #3cb034;
}